Rare Arcturus 7025. Used.
Tests 1150/1500 for gm where 1000 is good at 250 volts
in a Triplett 3444/Westmore 501 laboratory
tube analyzer restored and upgraded by Paul Hart.
Listening tested for excessive noise and microphonics in a Maxi-preamp 2 noise tester.
All tubes are guaranteed good or may be returned.
Shipping includes insurance.
Please see our other items for more vintage tubes & audio.
We combine orders for shipping.
We do not change values for customs.
Thank You.